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3 years ago

Light travels in what wave

2 answers:

4 0

Light travels as a wave. But unlike sound waves or water waves, it does not need any matter or material to carry its energy along. This means that light can travel through a vacuum—a completely airless space.

Vsevolod [243]3 years ago

4 0

light travels as partials and energy.

it is see by the naked eye as colors but impossible to see as its actual color without the help of other objects in the way. we see the color of light as a rainbow, violet on top, and red on bottom.

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If the strength of the magnetic field at B is 20 units, the strength of the magnetic field at A is _____.

xz_007 [3.2K]

The answer is A = 20 units

8 0

4 years ago

Read 2 more answers

You want the output current from the secondary coil of a transformer to be 10 times the input current to the primary coil. The r

WARRIOR [948]

Answer:

D. 0.1

Explanation:

Using transformer equation,

N2/N1 = I1/I2................... Equation 1

Where N2 = secondary coil, N1 = primary coil, I1 = input current, I2 = output current.

make I2 the subject of the equation

I2 = I1/(N2/N1)............ Equation 2

From equation 2 above, For the output current of the secondary coil to be 10 times the input current, N2/N1 = 0.1

Hence the right option is D. 0.1

7 0

4 years ago

When 180 joules of work is done to push a box horizontally 15.3 meters, how much

AnnZ [28]

Answer:

11.76Newtons

Explanation:

Workdone = Force * distance

Given

Workdone = 180joules

Distance = 15.3 metres

Required

Force

From the formula;

Force - Work/distance

Force = 180/15.3

Force = 11.76Newtons

Hence the required force is 11.76Newtons

5 0

3 years ago

Which ancient idea of the nature of light did Isaac Newton build upon? Light is a wave or disturbance that travels through space

JulijaS [17]

Answer:

The answer is C

Explanation:

Light is a substance through which particles flow from a light source

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6 0

3 years ago

What is a good example of a contact force?

exis [7]

Answer:

Sitting on a couch

Explanation:

The couch is exerting an upwards force so that would make it a contact force

5 0

4 years ago